Finding the Fourth Proportional to 116,903.86, 175,312.72 and 42,003.97

Step by Step Solution

1. Step 1: Write the proportion equation
   116,903.86 : 175,312.72 = 42,003.97 : x
2. Step 2: Convert to fraction form
   116,903.86/175,312.72 = 42,003.97/x
3. Step 3: Cross multiply
   116,903.86x = 175,312.72 × 42,003.97
4. Step 4: Simplify right side
   116,903.86x = 7,363,830,231.50
5. Step 5: Solve for x
   x = 7,363,830,231.50/116,903.86
6. Step 6: Final answer
   x = 62,990.48