Finding the Fourth Proportional to 65,047.08, 89,779.98 and 42,346.55

Step by Step Solution

1. Step 1: Write the proportion equation
   65,047.08 : 89,779.98 = 42,346.55 : x
2. Step 2: Convert to fraction form
   65,047.08/89,779.98 = 42,346.55/x
3. Step 3: Cross multiply
   65,047.08x = 89,779.98 × 42,346.55
4. Step 4: Simplify right side
   65,047.08x = 3,801,872,052.11
5. Step 5: Solve for x
   x = 3,801,872,052.11/65,047.08
6. Step 6: Final answer
   x = 58,448.00