Finding the Fourth Proportional to 546,061.42, 819,461.01 and 191,078.51

Step by Step Solution

1. Step 1: Write the proportion equation
   546,061.42 : 819,461.01 = 191,078.51 : x
2. Step 2: Convert to fraction form
   546,061.42/819,461.01 = 191,078.51/x
3. Step 3: Cross multiply
   546,061.42x = 819,461.01 × 191,078.51
4. Step 4: Simplify right side
   546,061.42x = 156,581,388,793.90
5. Step 5: Solve for x
   x = 156,581,388,793.90/546,061.42
6. Step 6: Final answer
   x = 286,746.85