Finding the Fourth Proportional to 105,201.86, 157,802.72 and 26,316.02

Step by Step Solution

1. Step 1: Write the proportion equation
   105,201.86 : 157,802.72 = 26,316.02 : x
2. Step 2: Convert to fraction form
   105,201.86/157,802.72 = 26,316.02/x
3. Step 3: Cross multiply
   105,201.86x = 157,802.72 × 26,316.02
4. Step 4: Simplify right side
   105,201.86x = 4,152,739,798.50
5. Step 5: Solve for x
   x = 4,152,739,798.50/105,201.86
6. Step 6: Final answer
   x = 39,474.02