Finding the Fourth Proportional to 103,807.65, 143,254.56 and 56,061.01

Step by Step Solution

1. Step 1: Write the proportion equation
   103,807.65 : 143,254.56 = 56,061.01 : x
2. Step 2: Convert to fraction form
   103,807.65/143,254.56 = 56,061.01/x
3. Step 3: Cross multiply
   103,807.65x = 143,254.56 × 56,061.01
4. Step 4: Simplify right side
   103,807.65x = 8,030,995,320.71
5. Step 5: Solve for x
   x = 8,030,995,320.71/103,807.65
6. Step 6: Final answer
   x = 77,364.20