Finding the Fourth Proportional to 72,374.63, 99,876.98 and 40,543.52

Step by Step Solution

1. Step 1: Write the proportion equation
   72,374.63 : 99,876.98 = 40,543.52 : x
2. Step 2: Convert to fraction form
   72,374.63/99,876.98 = 40,543.52/x
3. Step 3: Cross multiply
   72,374.63x = 99,876.98 × 40,543.52
4. Step 4: Simplify right side
   72,374.63x = 4,049,364,336.17
5. Step 5: Solve for x
   x = 4,049,364,336.17/72,374.63
6. Step 6: Final answer
   x = 55,950.05