Finding the Fourth Proportional to 70,034.01, 105,072.42 and 41,985.29

Step by Step Solution

1. Step 1: Write the proportion equation
   70,034.01 : 105,072.42 = 41,985.29 : x
2. Step 2: Convert to fraction form
   70,034.01/105,072.42 = 41,985.29/x
3. Step 3: Cross multiply
   70,034.01x = 105,072.42 × 41,985.29
4. Step 4: Simplify right side
   70,034.01x = 4,411,495,814.78
5. Step 5: Solve for x
   x = 4,411,495,814.78/70,034.01
6. Step 6: Final answer
   x = 62,990.76