Finding the Fourth Proportional to 280,846,162.17, 387,533,746.04 and 161,807,697.50

Step by Step Solution

1. Step 1: Write the proportion equation
   280,846,162.17 : 387,533,746.04 = 161,807,697.50 : x
2. Step 2: Convert to fraction form
   280,846,162.17/387,533,746.04 = 161,807,697.50/x
3. Step 3: Cross multiply
   280,846,162.17x = 387,533,746.04 × 161,807,697.50
4. Step 4: Simplify right side
   280,846,162.17x = 62,705,943,147,535,440
5. Step 5: Solve for x
   x = 62,705,943,147,535,440/280,846,162.17
6. Step 6: Final answer
   x = 223,275,058.00