Finding the Fourth Proportional to 52,102.32, 78,071.52 and 40,284.96

Step by Step Solution

1. Step 1: Write the proportion equation
   52,102.32 : 78,071.52 = 40,284.96 : x
2. Step 2: Convert to fraction form
   52,102.32/78,071.52 = 40,284.96/x
3. Step 3: Cross multiply
   52,102.32x = 78,071.52 × 40,284.96
4. Step 4: Simplify right side
   52,102.32x = 3,145,108,060.34
5. Step 5: Solve for x
   x = 3,145,108,060.34/52,102.32
6. Step 6: Final answer
   x = 60,364.07