Finding the Fourth Proportional to 106,085.84, 145,501.52 and 94,128.41

Step by Step Solution

1. Step 1: Write the proportion equation
   106,085.84 : 145,501.52 = 94,128.41 : x
2. Step 2: Convert to fraction form
   106,085.84/145,501.52 = 94,128.41/x
3. Step 3: Cross multiply
   106,085.84x = 145,501.52 × 94,128.41
4. Step 4: Simplify right side
   106,085.84x = 13,695,826,623.29
5. Step 5: Solve for x
   x = 13,695,826,623.29/106,085.84
6. Step 6: Final answer
   x = 129,101.37