Finding the Fourth Proportional to 1,007,200.98, 1,390,037.76 and 752,109.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,007,200.98 : 1,390,037.76 = 752,109.30 : x
2. Step 2: Convert to fraction form
   1,007,200.98/1,390,037.76 = 752,109.30/x
3. Step 3: Cross multiply
   1,007,200.98x = 1,390,037.76 × 752,109.30
4. Step 4: Simplify right side
   1,007,200.98x = 1,045,460,326,647.17
5. Step 5: Solve for x
   x = 1,045,460,326,647.17/1,007,200.98
6. Step 6: Final answer
   x = 1,037,985.81