Finding the Fourth Proportional to 92,875.28, 139,332.29 and 42,250.28

Step by Step Solution

1. Step 1: Write the proportion equation
   92,875.28 : 139,332.29 = 42,250.28 : x
2. Step 2: Convert to fraction form
   92,875.28/139,332.29 = 42,250.28/x
3. Step 3: Cross multiply
   92,875.28x = 139,332.29 × 42,250.28
4. Step 4: Simplify right side
   92,875.28x = 5,886,827,357.63
5. Step 5: Solve for x
   x = 5,886,827,357.63/92,875.28
6. Step 6: Final answer
   x = 63,384.23