Finding the Fourth Proportional to 91,392.63, 137,055.37 and 31,404.10

Step by Step Solution

1. Step 1: Write the proportion equation
   91,392.63 : 137,055.37 = 31,404.10 : x
2. Step 2: Convert to fraction form
   91,392.63/137,055.37 = 31,404.10/x
3. Step 3: Cross multiply
   91,392.63x = 137,055.37 × 31,404.10
4. Step 4: Simplify right side
   91,392.63x = 4,304,099,920.75
5. Step 5: Solve for x
   x = 4,304,099,920.75/91,392.63
6. Step 6: Final answer
   x = 47,094.61