Finding the Fourth Proportional to 35,404,927.77, 48,845,839.89 and 21,456,220.20

Step by Step Solution

1. Step 1: Write the proportion equation
   35,404,927.77 : 48,845,839.89 = 21,456,220.20 : x
2. Step 2: Convert to fraction form
   35,404,927.77/48,845,839.89 = 21,456,220.20/x
3. Step 3: Cross multiply
   35,404,927.77x = 48,845,839.89 × 21,456,220.20
4. Step 4: Simplify right side
   35,404,927.77x = 1,048,047,096,533,783.75
5. Step 5: Solve for x
   x = 1,048,047,096,533,783.75/35,404,927.77
6. Step 6: Final answer
   x = 29,601,729.55