Finding the Fourth Proportional to 45,880.58, 68,774.39 and 31,091.00

Step by Step Solution

1. Step 1: Write the proportion equation
   45,880.58 : 68,774.39 = 31,091.00 : x
2. Step 2: Convert to fraction form
   45,880.58/68,774.39 = 31,091.00/x
3. Step 3: Cross multiply
   45,880.58x = 68,774.39 × 31,091.00
4. Step 4: Simplify right side
   45,880.58x = 2,138,264,060.16
5. Step 5: Solve for x
   x = 2,138,264,060.16/45,880.58
6. Step 6: Final answer
   x = 46,605.00