Finding the Fourth Proportional to 131,223, 181,058.52 and 77,510.28

Step by Step Solution

1. Step 1: Write the proportion equation
   131,223 : 181,058.52 = 77,510.28 : x
2. Step 2: Convert to fraction form
   131,223/181,058.52 = 77,510.28/x
3. Step 3: Cross multiply
   131,223x = 181,058.52 × 77,510.28
4. Step 4: Simplify right side
   131,223x = 14,033,896,581.59
5. Step 5: Solve for x
   x = 14,033,896,581.59/131,223
6. Step 6: Final answer
   x = 106,946.93