Finding the Fourth Proportional to 102,507,729.51, 141,460,574.61 and 57,863,100.86

Step by Step Solution

1. Step 1: Write the proportion equation
   102,507,729.51 : 141,460,574.61 = 57,863,100.86 : x
2. Step 2: Convert to fraction form
   102,507,729.51/141,460,574.61 = 57,863,100.86/x
3. Step 3: Cross multiply
   102,507,729.51x = 141,460,574.61 × 57,863,100.86
4. Step 4: Simplify right side
   102,507,729.51x = 8,185,347,496,371,986
5. Step 5: Solve for x
   x = 8,185,347,496,371,986/102,507,729.51
6. Step 6: Final answer
   x = 79,851,027.19