Finding the Fourth Proportional to 1,528,175.58, 2,108,796.50 and 916,021.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,528,175.58 : 2,108,796.50 = 916,021.98 : x
2. Step 2: Convert to fraction form
   1,528,175.58/2,108,796.50 = 916,021.98/x
3. Step 3: Cross multiply
   1,528,175.58x = 2,108,796.50 × 916,021.98
4. Step 4: Simplify right side
   1,528,175.58x = 1,931,703,945,060.72
5. Step 5: Solve for x
   x = 1,931,703,945,060.72/1,528,175.58
6. Step 6: Final answer
   x = 1,264,058.90