Finding the Fourth Proportional to 22,569,719.07, 31,146,572.88 and 12,779,897.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,569,719.07 : 31,146,572.88 = 12,779,897.88 : x
2. Step 2: Convert to fraction form
   22,569,719.07/31,146,572.88 = 12,779,897.88/x
3. Step 3: Cross multiply
   22,569,719.07x = 31,146,572.88 × 12,779,897.88
4. Step 4: Simplify right side
   22,569,719.07x = 398,050,020,718,377.50
5. Step 5: Solve for x
   x = 398,050,020,718,377.50/22,569,719.07
6. Step 6: Final answer
   x = 17,636,463.24