Finding the Fourth Proportional to 78,050.07, 117,091.50 and 31,302.95

Step by Step Solution

1. Step 1: Write the proportion equation
   78,050.07 : 117,091.50 = 31,302.95 : x
2. Step 2: Convert to fraction form
   78,050.07/117,091.50 = 31,302.95/x
3. Step 3: Cross multiply
   78,050.07x = 117,091.50 × 31,302.95
4. Step 4: Simplify right side
   78,050.07x = 3,665,308,784.47
5. Step 5: Solve for x
   x = 3,665,308,784.47/78,050.07
6. Step 6: Final answer
   x = 46,960.99