Finding the Fourth Proportional to 1,672,420.05, 2,307,900.83 and 974,656.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,672,420.05 : 2,307,900.83 = 974,656.17 : x
2. Step 2: Convert to fraction form
   1,672,420.05/2,307,900.83 = 974,656.17/x
3. Step 3: Cross multiply
   1,672,420.05x = 2,307,900.83 × 974,656.17
4. Step 4: Simplify right side
   1,672,420.05x = 2,249,409,778,834.34
5. Step 5: Solve for x
   x = 2,249,409,778,834.34/1,672,420.05
6. Step 6: Final answer
   x = 1,345,002.88