Finding the Fourth Proportional to 22,641,752,498.55, 31,247,016,412.56 and 12,480,457,483.89

Step by Step Solution

1. Step 1: Write the proportion equation
   22,641,752,498.55 : 31,247,016,412.56 = 12,480,457,483.89 : x
2. Step 2: Convert to fraction form
   22,641,752,498.55/31,247,016,412.56 = 12,480,457,483.89/x
3. Step 3: Cross multiply
   22,641,752,498.55x = 31,247,016,412.56 × 12,480,457,483.89
4. Step 4: Simplify right side
   22,641,752,498.55x = 389,977,059,835,368,112,128
5. Step 5: Solve for x
   x = 389,977,059,835,368,112,128/22,641,752,498.55
6. Step 6: Final answer
   x = 17,223,801,905.81