Finding the Fourth Proportional to 64,308.15, 88,748.46 and 38,814.12

Step by Step Solution

1. Step 1: Write the proportion equation
   64,308.15 : 88,748.46 = 38,814.12 : x
2. Step 2: Convert to fraction form
   64,308.15/88,748.46 = 38,814.12/x
3. Step 3: Cross multiply
   64,308.15x = 88,748.46 × 38,814.12
4. Step 4: Simplify right side
   64,308.15x = 3,444,693,376.26
5. Step 5: Solve for x
   x = 3,444,693,376.26/64,308.15
6. Step 6: Final answer
   x = 53,565.42