Finding the Fourth Proportional to 89,907.90, 134,818.74 and 42,483.51

Step by Step Solution

1. Step 1: Write the proportion equation
   89,907.90 : 134,818.74 = 42,483.51 : x
2. Step 2: Convert to fraction form
   89,907.90/134,818.74 = 42,483.51/x
3. Step 3: Cross multiply
   89,907.90x = 134,818.74 × 42,483.51
4. Step 4: Simplify right side
   89,907.90x = 5,727,573,288.98
5. Step 5: Solve for x
   x = 5,727,573,288.98/89,907.90
6. Step 6: Final answer
   x = 63,704.89