Finding the Fourth Proportional to 102,061.26, 153,094.95 and 84,429.63

Step by Step Solution

1. Step 1: Write the proportion equation
   102,061.26 : 153,094.95 = 84,429.63 : x
2. Step 2: Convert to fraction form
   102,061.26/153,094.95 = 84,429.63/x
3. Step 3: Cross multiply
   102,061.26x = 153,094.95 × 84,429.63
4. Step 4: Simplify right side
   102,061.26x = 12,925,749,983.37
5. Step 5: Solve for x
   x = 12,925,749,983.37/102,061.26
6. Step 6: Final answer
   x = 126,646.98