Finding the Fourth Proportional to 103,213,567.68, 142,431,858.72 and 58,567,672.32

Step by Step Solution

1. Step 1: Write the proportion equation
   103,213,567.68 : 142,431,858.72 = 58,567,672.32 : x
2. Step 2: Convert to fraction form
   103,213,567.68/142,431,858.72 = 58,567,672.32/x
3. Step 3: Cross multiply
   103,213,567.68x = 142,431,858.72 × 58,567,672.32
4. Step 4: Simplify right side
   103,213,567.68x = 8,341,902,429,441,495
5. Step 5: Solve for x
   x = 8,341,902,429,441,495/103,213,567.68
6. Step 6: Final answer
   x = 80,821,762.26