Finding the Fourth Proportional to 13,347,535.59, 18,419,744.15 and 7,841,142.53

Step by Step Solution

1. Step 1: Write the proportion equation
   13,347,535.59 : 18,419,744.15 = 7,841,142.53 : x
2. Step 2: Convert to fraction form
   13,347,535.59/18,419,744.15 = 7,841,142.53/x
3. Step 3: Cross multiply
   13,347,535.59x = 18,419,744.15 × 7,841,142.53
4. Step 4: Simplify right side
   13,347,535.59x = 144,431,839,213,457.59
5. Step 5: Solve for x
   x = 144,431,839,213,457.59/13,347,535.59
6. Step 6: Final answer
   x = 10,820,861.89