Finding the Fourth Proportional to 56,142.30, 83,802.38 and 49,499.46

Step by Step Solution

1. Step 1: Write the proportion equation
   56,142.30 : 83,802.38 = 49,499.46 : x
2. Step 2: Convert to fraction form
   56,142.30/83,802.38 = 49,499.46/x
3. Step 3: Cross multiply
   56,142.30x = 83,802.38 × 49,499.46
4. Step 4: Simplify right side
   56,142.30x = 4,148,172,556.71
5. Step 5: Solve for x
   x = 4,148,172,556.71/56,142.30
6. Step 6: Final answer
   x = 73,886.76