Finding the Fourth Proportional to 2,521.02, 3,777.75 and 1,970.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.02 : 3,777.75 = 1,970.76 : x
2. Step 2: Convert to fraction form
   2,521.02/3,777.75 = 1,970.76/x
3. Step 3: Cross multiply
   2,521.02x = 3,777.75 × 1,970.76
4. Step 4: Simplify right side
   2,521.02x = 7,445,038.59
5. Step 5: Solve for x
   x = 7,445,038.59/2,521.02
6. Step 6: Final answer
   x = 2,953.19