Finding the Fourth Proportional to 7,172,419.32, 9,897,942.35 and 4,074,948.07

Step by Step Solution

1. Step 1: Write the proportion equation
   7,172,419.32 : 9,897,942.35 = 4,074,948.07 : x
2. Step 2: Convert to fraction form
   7,172,419.32/9,897,942.35 = 4,074,948.07/x
3. Step 3: Cross multiply
   7,172,419.32x = 9,897,942.35 × 4,074,948.07
4. Step 4: Simplify right side
   7,172,419.32x = 40,333,601,061,546.27
5. Step 5: Solve for x
   x = 40,333,601,061,546.27/7,172,419.32
6. Step 6: Final answer
   x = 5,623,430.43