Finding the Fourth Proportional to 99,064.67, 148,601.71 and 31,603.87

Step by Step Solution

1. Step 1: Write the proportion equation
   99,064.67 : 148,601.71 = 31,603.87 : x
2. Step 2: Convert to fraction form
   99,064.67/148,601.71 = 31,603.87/x
3. Step 3: Cross multiply
   99,064.67x = 148,601.71 × 31,603.87
4. Step 4: Simplify right side
   99,064.67x = 4,696,389,124.62
5. Step 5: Solve for x
   x = 4,696,389,124.62/99,064.67
6. Step 6: Final answer
   x = 47,407.31