Finding the Fourth Proportional to 134,422.56, 185,494.38 and 77,061.18

Step by Step Solution

1. Step 1: Write the proportion equation
   134,422.56 : 185,494.38 = 77,061.18 : x
2. Step 2: Convert to fraction form
   134,422.56/185,494.38 = 77,061.18/x
3. Step 3: Cross multiply
   134,422.56x = 185,494.38 × 77,061.18
4. Step 4: Simplify right side
   134,422.56x = 14,294,415,806.17
5. Step 5: Solve for x
   x = 14,294,415,806.17/134,422.56
6. Step 6: Final answer
   x = 106,339.41