Finding the Fourth Proportional to 42,907.86, 64,405.53 and 29,581.74

Step by Step Solution

1. Step 1: Write the proportion equation
   42,907.86 : 64,405.53 = 29,581.74 : x
2. Step 2: Convert to fraction form
   42,907.86/64,405.53 = 29,581.74/x
3. Step 3: Cross multiply
   42,907.86x = 64,405.53 × 29,581.74
4. Step 4: Simplify right side
   42,907.86x = 1,905,227,643.02
5. Step 5: Solve for x
   x = 1,905,227,643.02/42,907.86
6. Step 6: Final answer
   x = 44,402.77