Finding the Fourth Proportional to 12,549,513.50, 17,318,328.90 and 7,117,005.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,549,513.50 : 17,318,328.90 = 7,117,005.50 : x
2. Step 2: Convert to fraction form
   12,549,513.50/17,318,328.90 = 7,117,005.50/x
3. Step 3: Cross multiply
   12,549,513.50x = 17,318,328.90 × 7,117,005.50
4. Step 4: Simplify right side
   12,549,513.50x = 123,254,642,032,108.94
5. Step 5: Solve for x
   x = 123,254,642,032,108.94/12,549,513.50
6. Step 6: Final answer
   x = 9,821,467.74