Finding the Fourth Proportional to 13,066,709.94, 19,598,787.77 and 3,968,886.53

Step by Step Solution

1. Step 1: Write the proportion equation
   13,066,709.94 : 19,598,787.77 = 3,968,886.53 : x
2. Step 2: Convert to fraction form
   13,066,709.94/19,598,787.77 = 3,968,886.53/x
3. Step 3: Cross multiply
   13,066,709.94x = 19,598,787.77 × 3,968,886.53
4. Step 4: Simplify right side
   13,066,709.94x = 77,785,364,813,834.28
5. Step 5: Solve for x
   x = 77,785,364,813,834.28/13,066,709.94
6. Step 6: Final answer
   x = 5,952,941.88