Finding the Fourth Proportional to 37,429.23, 51,602.70 and 31,031.67

Step by Step Solution

1. Step 1: Write the proportion equation
   37,429.23 : 51,602.70 = 31,031.67 : x
2. Step 2: Convert to fraction form
   37,429.23/51,602.70 = 31,031.67/x
3. Step 3: Cross multiply
   37,429.23x = 51,602.70 × 31,031.67
4. Step 4: Simplify right side
   37,429.23x = 1,601,317,957.51
5. Step 5: Solve for x
   x = 1,601,317,957.51/37,429.23
6. Step 6: Final answer
   x = 42,782.55