Finding the Fourth Proportional to 153,061.25, 211,151.03 and 131,803.61

Step by Step Solution

1. Step 1: Write the proportion equation
   153,061.25 : 211,151.03 = 131,803.61 : x
2. Step 2: Convert to fraction form
   153,061.25/211,151.03 = 131,803.61/x
3. Step 3: Cross multiply
   153,061.25x = 211,151.03 × 131,803.61
4. Step 4: Simplify right side
   153,061.25x = 27,830,468,009.22
5. Step 5: Solve for x
   x = 27,830,468,009.22/153,061.25
6. Step 6: Final answer
   x = 181,825.69