Finding the Fourth Proportional to 37,831,940.48, 56,755,892.16 and 12,270,965.12

Step by Step Solution

1. Step 1: Write the proportion equation
   37,831,940.48 : 56,755,892.16 = 12,270,965.12 : x
2. Step 2: Convert to fraction form
   37,831,940.48/56,755,892.16 = 12,270,965.12/x
3. Step 3: Cross multiply
   37,831,940.48x = 56,755,892.16 × 12,270,965.12
4. Step 4: Simplify right side
   37,831,940.48x = 696,449,573,049,841.38
5. Step 5: Solve for x
   x = 696,449,573,049,841.38/37,831,940.48
6. Step 6: Final answer
   x = 18,409,036.50