Finding the Fourth Proportional to 148,532.00, 222,475.28 and 91,431.86

Step by Step Solution

1. Step 1: Write the proportion equation
   148,532.00 : 222,475.28 = 91,431.86 : x
2. Step 2: Convert to fraction form
   148,532.00/222,475.28 = 91,431.86/x
3. Step 3: Cross multiply
   148,532.00x = 222,475.28 × 91,431.86
4. Step 4: Simplify right side
   148,532.00x = 20,341,327,084.89
5. Step 5: Solve for x
   x = 20,341,327,084.89/148,532.00
6. Step 6: Final answer
   x = 136,949.13