Finding the Fourth Proportional to 276,309,300.02, 381,340,270.38 and 157,260,837.15

Step by Step Solution

1. Step 1: Write the proportion equation
   276,309,300.02 : 381,340,270.38 = 157,260,837.15 : x
2. Step 2: Convert to fraction form
   276,309,300.02/381,340,270.38 = 157,260,837.15/x
3. Step 3: Cross multiply
   276,309,300.02x = 381,340,270.38 × 157,260,837.15
4. Step 4: Simplify right side
   276,309,300.02x = 59,969,890,158,966,152
5. Step 5: Solve for x
   x = 59,969,890,158,966,152/276,309,300.02
6. Step 6: Final answer
   x = 217,038,985.50