Finding the Fourth Proportional to 40,087,420.48, 55,320,792.00 and 21,752,705.98

Step by Step Solution

1. Step 1: Write the proportion equation
   40,087,420.48 : 55,320,792.00 = 21,752,705.98 : x
2. Step 2: Convert to fraction form
   40,087,420.48/55,320,792.00 = 21,752,705.98/x
3. Step 3: Cross multiply
   40,087,420.48x = 55,320,792.00 × 21,752,705.98
4. Step 4: Simplify right side
   40,087,420.48x = 1,203,376,922,571,368.75
5. Step 5: Solve for x
   x = 1,203,376,922,571,368.75/40,087,420.48
6. Step 6: Final answer
   x = 30,018,816.58