Finding the Fourth Proportional to 93,113.32, 139,583.58 and 42,474.28

Step by Step Solution

1. Step 1: Write the proportion equation
   93,113.32 : 139,583.58 = 42,474.28 : x
2. Step 2: Convert to fraction form
   93,113.32/139,583.58 = 42,474.28/x
3. Step 3: Cross multiply
   93,113.32x = 139,583.58 × 42,474.28
4. Step 4: Simplify right side
   93,113.32x = 5,928,712,060.32
5. Step 5: Solve for x
   x = 5,928,712,060.32/93,113.32
6. Step 6: Final answer
   x = 63,672.01