Finding the Fourth Proportional to 154,002,537.50, 212,523,501.76 and 88,812,441.50

Step by Step Solution

1. Step 1: Write the proportion equation
   154,002,537.50 : 212,523,501.76 = 88,812,441.50 : x
2. Step 2: Convert to fraction form
   154,002,537.50/212,523,501.76 = 88,812,441.50/x
3. Step 3: Cross multiply
   154,002,537.50x = 212,523,501.76 × 88,812,441.50
4. Step 4: Simplify right side
   154,002,537.50x = 18,874,731,067,435,148
5. Step 5: Solve for x
   x = 18,874,731,067,435,148/154,002,537.50
6. Step 6: Final answer
   x = 122,561,169.28