Finding the Fourth Proportional to 72,307.63, 99,784.46 and 40,476.52

Step by Step Solution

1. Step 1: Write the proportion equation
   72,307.63 : 99,784.46 = 40,476.52 : x
2. Step 2: Convert to fraction form
   72,307.63/99,784.46 = 40,476.52/x
3. Step 3: Cross multiply
   72,307.63x = 99,784.46 × 40,476.52
4. Step 4: Simplify right side
   72,307.63x = 4,038,927,542.61
5. Step 5: Solve for x
   x = 4,038,927,542.61/72,307.63
6. Step 6: Final answer
   x = 55,857.56