Finding the Fourth Proportional to 141,411.08, 212,061.03 and 51,432.43

Step by Step Solution

1. Step 1: Write the proportion equation
   141,411.08 : 212,061.03 = 51,432.43 : x
2. Step 2: Convert to fraction form
   141,411.08/212,061.03 = 51,432.43/x
3. Step 3: Cross multiply
   141,411.08x = 212,061.03 × 51,432.43
4. Step 4: Simplify right side
   141,411.08x = 10,906,814,081.20
5. Step 5: Solve for x
   x = 10,906,814,081.20/141,411.08
6. Step 6: Final answer
   x = 77,128.43