Finding the Fourth Proportional to 152,537, 210,501.12 and 92,921

Step by Step Solution

1. Step 1: Write the proportion equation
   152,537 : 210,501.12 = 92,921 : x
2. Step 2: Convert to fraction form
   152,537/210,501.12 = 92,921/x
3. Step 3: Cross multiply
   152,537x = 210,501.12 × 92,921
4. Step 4: Simplify right side
   152,537x = 19,559,974,571.52
5. Step 5: Solve for x
   x = 19,559,974,571.52/152,537
6. Step 6: Final answer
   x = 128,231.02