Finding the Fourth Proportional to 1,926.61, 2,888.70 and 1,061.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,926.61 : 2,888.70 = 1,061.53 : x
2. Step 2: Convert to fraction form
   1,926.61/2,888.70 = 1,061.53/x
3. Step 3: Cross multiply
   1,926.61x = 2,888.70 × 1,061.53
4. Step 4: Simplify right side
   1,926.61x = 3,066,430.51
5. Step 5: Solve for x
   x = 3,066,430.51/1,926.61
6. Step 6: Final answer
   x = 1,591.62