Finding the Fourth Proportional to 111,463,256.57, 167,128,657.71 and 42,381,111.81

Step by Step Solution

1. Step 1: Write the proportion equation
   111,463,256.57 : 167,128,657.71 = 42,381,111.81 : x
2. Step 2: Convert to fraction form
   111,463,256.57/167,128,657.71 = 42,381,111.81/x
3. Step 3: Cross multiply
   111,463,256.57x = 167,128,657.71 × 42,381,111.81
4. Step 4: Simplify right side
   111,463,256.57x = 7,083,098,329,062,729
5. Step 5: Solve for x
   x = 7,083,098,329,062,729/111,463,256.57
6. Step 6: Final answer
   x = 63,546,486.50