Finding the Fourth Proportional to 139,964,485.48, 210,219,172.50 and 114,075,916.72

Step by Step Solution

1. Step 1: Write the proportion equation
   139,964,485.48 : 210,219,172.50 = 114,075,916.72 : x
2. Step 2: Convert to fraction form
   139,964,485.48/210,219,172.50 = 114,075,916.72/x
3. Step 3: Cross multiply
   139,964,485.48x = 210,219,172.50 × 114,075,916.72
4. Step 4: Simplify right side
   139,964,485.48x = 23,980,944,815,057,312
5. Step 5: Solve for x
   x = 23,980,944,815,057,312/139,964,485.48
6. Step 6: Final answer
   x = 171,335,926.63