Finding the Fourth Proportional to 140,498.95, 210,649.86 and 51,741.08

Step by Step Solution

1. Step 1: Write the proportion equation
   140,498.95 : 210,649.86 = 51,741.08 : x
2. Step 2: Convert to fraction form
   140,498.95/210,649.86 = 51,741.08/x
3. Step 3: Cross multiply
   140,498.95x = 210,649.86 × 51,741.08
4. Step 4: Simplify right side
   140,498.95x = 10,899,251,258.25
5. Step 5: Solve for x
   x = 10,899,251,258.25/140,498.95
6. Step 6: Final answer
   x = 77,575.32