Finding the Fourth Proportional to 47,084.18, 64,807.16 and 42,598.40

Step by Step Solution

1. Step 1: Write the proportion equation
   47,084.18 : 64,807.16 = 42,598.40 : x
2. Step 2: Convert to fraction form
   47,084.18/64,807.16 = 42,598.40/x
3. Step 3: Cross multiply
   47,084.18x = 64,807.16 × 42,598.40
4. Step 4: Simplify right side
   47,084.18x = 2,760,680,787.52
5. Step 5: Solve for x
   x = 2,760,680,787.52/47,084.18
6. Step 6: Final answer
   x = 58,632.88