Finding the Fourth Proportional to 85,714,272.87, 128,574,075.72 and 40,784,102.00

Step by Step Solution

1. Step 1: Write the proportion equation
   85,714,272.87 : 128,574,075.72 = 40,784,102.00 : x
2. Step 2: Convert to fraction form
   85,714,272.87/128,574,075.72 = 40,784,102.00/x
3. Step 3: Cross multiply
   85,714,272.87x = 128,574,075.72 × 40,784,102.00
4. Step 4: Simplify right side
   85,714,272.87x = 5,243,778,218,077,333
5. Step 5: Solve for x
   x = 5,243,778,218,077,333/85,714,272.87
6. Step 6: Final answer
   x = 61,177,421.71