Finding the Fourth Proportional to 81,061,064, 121,573,361.88 and 37,299,845.48

Step by Step Solution

1. Step 1: Write the proportion equation
   81,061,064 : 121,573,361.88 = 37,299,845.48 : x
2. Step 2: Convert to fraction form
   81,061,064/121,573,361.88 = 37,299,845.48/x
3. Step 3: Cross multiply
   81,061,064x = 121,573,361.88 × 37,299,845.48
4. Step 4: Simplify right side
   81,061,064x = 4,534,667,612,608,122
5. Step 5: Solve for x
   x = 4,534,667,612,608,122/81,061,064
6. Step 6: Final answer
   x = 55,941,377.88