Finding the Fourth Proportional to 1,348,476.21, 1,860,953.72 and 775,516.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,348,476.21 : 1,860,953.72 = 775,516.83 : x
2. Step 2: Convert to fraction form
   1,348,476.21/1,860,953.72 = 775,516.83/x
3. Step 3: Cross multiply
   1,348,476.21x = 1,860,953.72 × 775,516.83
4. Step 4: Simplify right side
   1,348,476.21x = 1,443,200,925,833.52
5. Step 5: Solve for x
   x = 1,443,200,925,833.52/1,348,476.21
6. Step 6: Final answer
   x = 1,070,245.74