Finding the Fourth Proportional to 56,048.02, 77,345.76 and 30,897.52

Step by Step Solution

1. Step 1: Write the proportion equation
   56,048.02 : 77,345.76 = 30,897.52 : x
2. Step 2: Convert to fraction form
   56,048.02/77,345.76 = 30,897.52/x
3. Step 3: Cross multiply
   56,048.02x = 77,345.76 × 30,897.52
4. Step 4: Simplify right side
   56,048.02x = 2,389,792,166.52
5. Step 5: Solve for x
   x = 2,389,792,166.52/56,048.02
6. Step 6: Final answer
   x = 42,638.30