Finding the Fourth Proportional to 148,492.56, 204,900.18 and 83,970.66

Step by Step Solution

1. Step 1: Write the proportion equation
   148,492.56 : 204,900.18 = 83,970.66 : x
2. Step 2: Convert to fraction form
   148,492.56/204,900.18 = 83,970.66/x
3. Step 3: Cross multiply
   148,492.56x = 204,900.18 × 83,970.66
4. Step 4: Simplify right side
   148,492.56x = 17,205,603,348.72
5. Step 5: Solve for x
   x = 17,205,603,348.72/148,492.56
6. Step 6: Final answer
   x = 115,868.45