Finding the Fourth Proportional to 22,670,688, 31,285,084.50 and 12,357,320.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,670,688 : 31,285,084.50 = 12,357,320.88 : x
2. Step 2: Convert to fraction form
   22,670,688/31,285,084.50 = 12,357,320.88/x
3. Step 3: Cross multiply
   22,670,688x = 31,285,084.50 × 12,357,320.88
4. Step 4: Simplify right side
   22,670,688x = 386,599,827,924,414.38
5. Step 5: Solve for x
   x = 386,599,827,924,414.38/22,670,688
6. Step 6: Final answer
   x = 17,052,849.39