Finding the Fourth Proportional to 153,987.99, 231,106.37 and 65,303.72

Step by Step Solution

1. Step 1: Write the proportion equation
   153,987.99 : 231,106.37 = 65,303.72 : x
2. Step 2: Convert to fraction form
   153,987.99/231,106.37 = 65,303.72/x
3. Step 3: Cross multiply
   153,987.99x = 231,106.37 × 65,303.72
4. Step 4: Simplify right side
   153,987.99x = 15,092,105,061.29
5. Step 5: Solve for x
   x = 15,092,105,061.29/153,987.99
6. Step 6: Final answer
   x = 98,008.33