Finding the Fourth Proportional to 92,043.05, 137,897.71 and 42,164.87

Step by Step Solution

1. Step 1: Write the proportion equation
   92,043.05 : 137,897.71 = 42,164.87 : x
2. Step 2: Convert to fraction form
   92,043.05/137,897.71 = 42,164.87/x
3. Step 3: Cross multiply
   92,043.05x = 137,897.71 × 42,164.87
4. Step 4: Simplify right side
   92,043.05x = 5,814,438,220.55
5. Step 5: Solve for x
   x = 5,814,438,220.55/92,043.05
6. Step 6: Final answer
   x = 63,170.86