Finding the Fourth Proportional to 140,870.79, 194,373.03 and 83,484.86

Step by Step Solution

1. Step 1: Write the proportion equation
   140,870.79 : 194,373.03 = 83,484.86 : x
2. Step 2: Convert to fraction form
   140,870.79/194,373.03 = 83,484.86/x
3. Step 3: Cross multiply
   140,870.79x = 194,373.03 × 83,484.86
4. Step 4: Simplify right side
   140,870.79x = 16,227,204,779.90
5. Step 5: Solve for x
   x = 16,227,204,779.90/140,870.79
6. Step 6: Final answer
   x = 115,192.12