Finding the Fourth Proportional to 105,003.30, 157,506.15 and 26,117.70

Step by Step Solution

1. Step 1: Write the proportion equation
   105,003.30 : 157,506.15 = 26,117.70 : x
2. Step 2: Convert to fraction form
   105,003.30/157,506.15 = 26,117.70/x
3. Step 3: Cross multiply
   105,003.30x = 157,506.15 × 26,117.70
4. Step 4: Simplify right side
   105,003.30x = 4,113,698,373.86
5. Step 5: Solve for x
   x = 4,113,698,373.86/105,003.30
6. Step 6: Final answer
   x = 39,176.85