Finding the Fourth Proportional to 116,994,848.18, 161,450,917.81 and 64,782,762.53

Step by Step Solution

1. Step 1: Write the proportion equation
   116,994,848.18 : 161,450,917.81 = 64,782,762.53 : x
2. Step 2: Convert to fraction form
   116,994,848.18/161,450,917.81 = 64,782,762.53/x
3. Step 3: Cross multiply
   116,994,848.18x = 161,450,917.81 × 64,782,762.53
4. Step 4: Simplify right side
   116,994,848.18x = 10,459,236,467,766,566
5. Step 5: Solve for x
   x = 10,459,236,467,766,566/116,994,848.18
6. Step 6: Final answer
   x = 89,399,119.97