Finding the Fourth Proportional to 92,700.41, 139,050.59 and 42,765.71

Step by Step Solution

1. Step 1: Write the proportion equation
   92,700.41 : 139,050.59 = 42,765.71 : x
2. Step 2: Convert to fraction form
   92,700.41/139,050.59 = 42,765.71/x
3. Step 3: Cross multiply
   92,700.41x = 139,050.59 × 42,765.71
4. Step 4: Simplify right side
   92,700.41x = 5,946,596,298.19
5. Step 5: Solve for x
   x = 5,946,596,298.19/92,700.41
6. Step 6: Final answer
   x = 64,148.55