Finding the Fourth Proportional to 72,699.52, 109,066.74 and 25,307.63

Step by Step Solution

1. Step 1: Write the proportion equation
   72,699.52 : 109,066.74 = 25,307.63 : x
2. Step 2: Convert to fraction form
   72,699.52/109,066.74 = 25,307.63/x
3. Step 3: Cross multiply
   72,699.52x = 109,066.74 × 25,307.63
4. Step 4: Simplify right side
   72,699.52x = 2,760,220,973.89
5. Step 5: Solve for x
   x = 2,760,220,973.89/72,699.52
6. Step 6: Final answer
   x = 37,967.53