Finding the Fourth Proportional to 10,243,499.68, 14,136,000.54 and 5,659,788.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,243,499.68 : 14,136,000.54 = 5,659,788.40 : x
2. Step 2: Convert to fraction form
   10,243,499.68/14,136,000.54 = 5,659,788.40/x
3. Step 3: Cross multiply
   10,243,499.68x = 14,136,000.54 × 5,659,788.40
4. Step 4: Simplify right side
   10,243,499.68x = 80,006,771,878,685.73
5. Step 5: Solve for x
   x = 80,006,771,878,685.73/10,243,499.68
6. Step 6: Final answer
   x = 7,810,491.96