Finding the Fourth Proportional to 107,168.88, 147,892.80 and 59,421

Step by Step Solution

1. Step 1: Write the proportion equation
   107,168.88 : 147,892.80 = 59,421 : x
2. Step 2: Convert to fraction form
   107,168.88/147,892.80 = 59,421/x
3. Step 3: Cross multiply
   107,168.88x = 147,892.80 × 59,421
4. Step 4: Simplify right side
   107,168.88x = 8,787,938,068.80
5. Step 5: Solve for x
   x = 8,787,938,068.80/107,168.88
6. Step 6: Final answer
   x = 82,000.84