Finding the Fourth Proportional to 58,606.39, 80,984.10 and 42,663.16

Step by Step Solution

1. Step 1: Write the proportion equation
   58,606.39 : 80,984.10 = 42,663.16 : x
2. Step 2: Convert to fraction form
   58,606.39/80,984.10 = 42,663.16/x
3. Step 3: Cross multiply
   58,606.39x = 80,984.10 × 42,663.16
4. Step 4: Simplify right side
   58,606.39x = 3,455,037,615.76
5. Step 5: Solve for x
   x = 3,455,037,615.76/58,606.39
6. Step 6: Final answer
   x = 58,953.26