Finding the Fourth Proportional to 101,628.57, 152,441.48 and 31,507.89

Step by Step Solution

1. Step 1: Write the proportion equation
   101,628.57 : 152,441.48 = 31,507.89 : x
2. Step 2: Convert to fraction form
   101,628.57/152,441.48 = 31,507.89/x
3. Step 3: Cross multiply
   101,628.57x = 152,441.48 × 31,507.89
4. Step 4: Simplify right side
   101,628.57x = 4,803,109,225.74
5. Step 5: Solve for x
   x = 4,803,109,225.74/101,628.57
6. Step 6: Final answer
   x = 47,261.41