Finding the Fourth Proportional to 55,916,648.70, 83,825,109.45 and 21,830,066.70

Step by Step Solution

1. Step 1: Write the proportion equation
   55,916,648.70 : 83,825,109.45 = 21,830,066.70 : x
2. Step 2: Convert to fraction form
   55,916,648.70/83,825,109.45 = 21,830,066.70/x
3. Step 3: Cross multiply
   55,916,648.70x = 83,825,109.45 × 21,830,066.70
4. Step 4: Simplify right side
   55,916,648.70x = 1,829,907,730,428,300.25
5. Step 5: Solve for x
   x = 1,829,907,730,428,300.25/55,916,648.70
6. Step 6: Final answer
   x = 32,725,633.12