Finding the Fourth Proportional to 45,667.20, 63,070.19 and 31,364.74

Step by Step Solution

1. Step 1: Write the proportion equation
   45,667.20 : 63,070.19 = 31,364.74 : x
2. Step 2: Convert to fraction form
   45,667.20/63,070.19 = 31,364.74/x
3. Step 3: Cross multiply
   45,667.20x = 63,070.19 × 31,364.74
4. Step 4: Simplify right side
   45,667.20x = 1,978,180,111.10
5. Step 5: Solve for x
   x = 1,978,180,111.10/45,667.20
6. Step 6: Final answer
   x = 43,317.31