Finding the Fourth Proportional to 53,919.42, 74,422.04 and 34,820.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,919.42 : 74,422.04 = 34,820.50 : x
2. Step 2: Convert to fraction form
   53,919.42/74,422.04 = 34,820.50/x
3. Step 3: Cross multiply
   53,919.42x = 74,422.04 × 34,820.50
4. Step 4: Simplify right side
   53,919.42x = 2,591,412,643.82
5. Step 5: Solve for x
   x = 2,591,412,643.82/53,919.42
6. Step 6: Final answer
   x = 48,060.84