Finding the Fourth Proportional to 346,057.96, 519,085.98 and 83,401.96

Step by Step Solution

1. Step 1: Write the proportion equation
   346,057.96 : 519,085.98 = 83,401.96 : x
2. Step 2: Convert to fraction form
   346,057.96/519,085.98 = 83,401.96/x
3. Step 3: Cross multiply
   346,057.96x = 519,085.98 × 83,401.96
4. Step 4: Simplify right side
   346,057.96x = 43,292,788,140.52
5. Step 5: Solve for x
   x = 43,292,788,140.52/346,057.96
6. Step 6: Final answer
   x = 125,102.71