Finding the Fourth Proportional to 183,707.30, 253,498.56 and 103,116.34

Step by Step Solution

1. Step 1: Write the proportion equation
   183,707.30 : 253,498.56 = 103,116.34 : x
2. Step 2: Convert to fraction form
   183,707.30/253,498.56 = 103,116.34/x
3. Step 3: Cross multiply
   183,707.30x = 253,498.56 × 103,116.34
4. Step 4: Simplify right side
   183,707.30x = 26,139,843,702.47
5. Step 5: Solve for x
   x = 26,139,843,702.47/183,707.30
6. Step 6: Final answer
   x = 142,290.72