Finding the Fourth Proportional to 9,237,499.84, 12,747,234.72 and 5,107,292.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,237,499.84 : 12,747,234.72 = 5,107,292.20 : x
2. Step 2: Convert to fraction form
   9,237,499.84/12,747,234.72 = 5,107,292.20/x
3. Step 3: Cross multiply
   9,237,499.84x = 12,747,234.72 × 5,107,292.20
4. Step 4: Simplify right side
   9,237,499.84x = 65,103,852,457,025.19
5. Step 5: Solve for x
   x = 65,103,852,457,025.19/9,237,499.84
6. Step 6: Final answer
   x = 7,047,778.47