Finding the Fourth Proportional to 70,992.04, 97,980.42 and 42,313

Step by Step Solution

1. Step 1: Write the proportion equation
   70,992.04 : 97,980.42 = 42,313 : x
2. Step 2: Convert to fraction form
   70,992.04/97,980.42 = 42,313/x
3. Step 3: Cross multiply
   70,992.04x = 97,980.42 × 42,313
4. Step 4: Simplify right side
   70,992.04x = 4,145,845,511.46
5. Step 5: Solve for x
   x = 4,145,845,511.46/70,992.04
6. Step 6: Final answer
   x = 58,398.74