Finding the Fourth Proportional to 1,945.04, 2,916.18 and 970.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945.04 : 2,916.18 = 970.45 : x
2. Step 2: Convert to fraction form
   1,945.04/2,916.18 = 970.45/x
3. Step 3: Cross multiply
   1,945.04x = 2,916.18 × 970.45
4. Step 4: Simplify right side
   1,945.04x = 2,829,999.59
5. Step 5: Solve for x
   x = 2,829,999.59/1,945.04
6. Step 6: Final answer
   x = 1,454.99