Finding the Fourth Proportional to 127,457.82, 191,209.68 and 52,536.30

Step by Step Solution

1. Step 1: Write the proportion equation
   127,457.82 : 191,209.68 = 52,536.30 : x
2. Step 2: Convert to fraction form
   127,457.82/191,209.68 = 52,536.30/x
3. Step 3: Cross multiply
   127,457.82x = 191,209.68 × 52,536.30
4. Step 4: Simplify right side
   127,457.82x = 10,045,449,111.38
5. Step 5: Solve for x
   x = 10,045,449,111.38/127,457.82
6. Step 6: Final answer
   x = 78,813.91