Finding the Fourth Proportional to 55,980.18, 77,145.32 and 35,801.91

Step by Step Solution

1. Step 1: Write the proportion equation
   55,980.18 : 77,145.32 = 35,801.91 : x
2. Step 2: Convert to fraction form
   55,980.18/77,145.32 = 35,801.91/x
3. Step 3: Cross multiply
   55,980.18x = 77,145.32 × 35,801.91
4. Step 4: Simplify right side
   55,980.18x = 2,761,949,624.55
5. Step 5: Solve for x
   x = 2,761,949,624.55/55,980.18
6. Step 6: Final answer
   x = 49,337.99