Finding the Fourth Proportional to 72,653,575.42, 109,031,440.82 and 65,707,247.12

Step by Step Solution

1. Step 1: Write the proportion equation
   72,653,575.42 : 109,031,440.82 = 65,707,247.12 : x
2. Step 2: Convert to fraction form
   72,653,575.42/109,031,440.82 = 65,707,247.12/x
3. Step 3: Cross multiply
   72,653,575.42x = 109,031,440.82 × 65,707,247.12
4. Step 4: Simplify right side
   72,653,575.42x = 7,164,155,825,753,438
5. Step 5: Solve for x
   x = 7,164,155,825,753,438/72,653,575.42
6. Step 6: Final answer
   x = 98,607,064.89