Finding the Fourth Proportional to 152,426.43, 210,302.60 and 98,774.46

Step by Step Solution

1. Step 1: Write the proportion equation
   152,426.43 : 210,302.60 = 98,774.46 : x
2. Step 2: Convert to fraction form
   152,426.43/210,302.60 = 98,774.46/x
3. Step 3: Cross multiply
   152,426.43x = 210,302.60 × 98,774.46
4. Step 4: Simplify right side
   152,426.43x = 20,772,525,257.72
5. Step 5: Solve for x
   x = 20,772,525,257.72/152,426.43
6. Step 6: Final answer
   x = 136,279.02