Finding the Fourth Proportional to 52,192.69, 78,353.56 and 49,437.07

Step by Step Solution

1. Step 1: Write the proportion equation
   52,192.69 : 78,353.56 = 49,437.07 : x
2. Step 2: Convert to fraction form
   52,192.69/78,353.56 = 49,437.07/x
3. Step 3: Cross multiply
   52,192.69x = 78,353.56 × 49,437.07
4. Step 4: Simplify right side
   52,192.69x = 3,873,570,296.38
5. Step 5: Solve for x
   x = 3,873,570,296.38/52,192.69
6. Step 6: Final answer
   x = 74,216.72