Finding the Fourth Proportional to 152,601, 210,538.98 and 92,148.69

Step by Step Solution

1. Step 1: Write the proportion equation
   152,601 : 210,538.98 = 92,148.69 : x
2. Step 2: Convert to fraction form
   152,601/210,538.98 = 92,148.69/x
3. Step 3: Cross multiply
   152,601x = 210,538.98 × 92,148.69
4. Step 4: Simplify right side
   152,601x = 19,400,891,200.94
5. Step 5: Solve for x
   x = 19,400,891,200.94/152,601
6. Step 6: Final answer
   x = 127,134.76