Finding the Fourth Proportional to 56,113.14, 77,435.69 and 30,618.93

Step by Step Solution

1. Step 1: Write the proportion equation
   56,113.14 : 77,435.69 = 30,618.93 : x
2. Step 2: Convert to fraction form
   56,113.14/77,435.69 = 30,618.93/x
3. Step 3: Cross multiply
   56,113.14x = 77,435.69 × 30,618.93
4. Step 4: Simplify right side
   56,113.14x = 2,370,997,818.52
5. Step 5: Solve for x
   x = 2,370,997,818.52/56,113.14
6. Step 6: Final answer
   x = 42,253.88