Finding the Fourth Proportional to 9,345,501.42, 12,902,630.31 and 7,165,857.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,345,501.42 : 12,902,630.31 = 7,165,857.30 : x
2. Step 2: Convert to fraction form
   9,345,501.42/12,902,630.31 = 7,165,857.30/x
3. Step 3: Cross multiply
   9,345,501.42x = 12,902,630.31 × 7,165,857.30
4. Step 4: Simplify right side
   9,345,501.42x = 92,458,407,596,114.77
5. Step 5: Solve for x
   x = 92,458,407,596,114.77/9,345,501.42
6. Step 6: Final answer
   x = 9,893,359.75