Finding the Fourth Proportional to 72,307,814.24, 99,799,266.84 and 42,955,453.01

Step by Step Solution

1. Step 1: Write the proportion equation
   72,307,814.24 : 99,799,266.84 = 42,955,453.01 : x
2. Step 2: Convert to fraction form
   72,307,814.24/99,799,266.84 = 42,955,453.01/x
3. Step 3: Cross multiply
   72,307,814.24x = 99,799,266.84 × 42,955,453.01
4. Step 4: Simplify right side
   72,307,814.24x = 4,286,922,717,178,071
5. Step 5: Solve for x
   x = 4,286,922,717,178,071/72,307,814.24
6. Step 6: Final answer
   x = 59,287,129.09