Finding the Fourth Proportional to 72,881.32, 109,188.86 and 52,841.11

Step by Step Solution

1. Step 1: Write the proportion equation
   72,881.32 : 109,188.86 = 52,841.11 : x
2. Step 2: Convert to fraction form
   72,881.32/109,188.86 = 52,841.11/x
3. Step 3: Cross multiply
   72,881.32x = 109,188.86 × 52,841.11
4. Step 4: Simplify right side
   72,881.32x = 5,769,660,526.82
5. Step 5: Solve for x
   x = 5,769,660,526.82/72,881.32
6. Step 6: Final answer
   x = 79,165.15