Finding the Fourth Proportional to 11,947,079.63, 17,920,723.15 and 3,860,056.12

Step by Step Solution

1. Step 1: Write the proportion equation
   11,947,079.63 : 17,920,723.15 = 3,860,056.12 : x
2. Step 2: Convert to fraction form
   11,947,079.63/17,920,723.15 = 3,860,056.12/x
3. Step 3: Cross multiply
   11,947,079.63x = 17,920,723.15 × 3,860,056.12
4. Step 4: Simplify right side
   11,947,079.63x = 69,174,997,050,682.90
5. Step 5: Solve for x
   x = 69,174,997,050,682.90/11,947,079.63
6. Step 6: Final answer
   x = 5,790,117.69