Finding the Fourth Proportional to 152,295, 210,137.94 and 98,572.56

Step by Step Solution

1. Step 1: Write the proportion equation
   152,295 : 210,137.94 = 98,572.56 : x
2. Step 2: Convert to fraction form
   152,295/210,137.94 = 98,572.56/x
3. Step 3: Cross multiply
   152,295x = 210,137.94 × 98,572.56
4. Step 4: Simplify right side
   152,295x = 20,713,834,698.93
5. Step 5: Solve for x
   x = 20,713,834,698.93/152,295
6. Step 6: Final answer
   x = 136,011.26